3360179 - B10 ENGINE DOES NOT START / UNDER NO CIRCUMSTANCES
The engine does not start. When the key is turned, the instruments light up, the starter motor turns to the Avv position, but the engine will not start. | The MIL warning light should come on with the ignition on and go out once the engine has started; if there is a fault in the panel the CODE system failure will be present. |
| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check, in order:
| Continue to Step 1 | CODE failure present | Continue according to the instructions for the See table K52 CODE FAILURE WARNING LIGHT ON |
| CODE failure present | Restore correct operation | |||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check the engine management control unit:
| Continue to Step 2 | Error detected in the control unit | Continue according to the instructions for the diagnostic equipment |
| Error detected in the control unit | Continue according to the instructions for the diagnostic equipment | |||
| 2 | ACTIVE TESTING OF FUEL PUMP | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Carry out active testing of fuel pump and check if it is working properly | Continue to Step 3 | Pump not working | Continue to Step 3 |
| 3 | CHECKING PETROL PUMP ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check the petrol pump supply and earth See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT | Continue to Step 4 | Connections not correct | Restore connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT |
| Connections not correct | Replace the petrol pump Op. 1040A70 ) | |||
| 4 | CHECKING DELIVERY PRESSURE | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check that the fuel pressure is correct Op. 0505C10 | Continue to Step 5 | Incorrect pressure: front pipes obstructed | Remove obstruction If necessary, replace the pipe |
| Connections not correct | Replace the pump assembly Op. 1040A70 ) | |||
| 5 | IGNITION OPERATION CHECK | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 2.4 20v | Check that the ignition is working properly at the coils by carrying out the test See Test 5510CC Check that the ignition coils are working: | No spark at more than one coil | Continue to Step 6 | |
| No spark at more than one coil | Continue to Step 7 | |||
| 1.8 16v | Check that the ignition is working properly at the coils by carrying out the test See Test 5510CC Check that the ignition coils are working: | No spark at more than one coil | Continue to Step 8 | |
| No spark at all the coils | Continue to Step 9 | |||
| 6 | COIL ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 2.4 20v | Check the continuity of the main circuit of the coils which are not working See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT | Continue to Step 8 | Connections not correct | Restore connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT |
| 7 | COIL ELECTRICAL CIRCUIT CHECK | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 2.4 20v | Check the continuity of the main circuit of the coils See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT | Continue to Step 9 | Connections not correct | Restore connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT |
| 8 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check that the fault is no longer present | End of diagnosis | Fault persists: coil defective | Replace the defective coils Op. 5510C10 |
| 9 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| 1.2 16v 1.6 16v 1.8 16v 2.4 20v | Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the defective coils Op. 1056B82 Search for the fault starting from another symptom' |